Battery Backup & Energy Storage Edmonton — Stellar Upgrades Complete FAQ
BATTERY BACKUP BASICS
What is home battery backup?
Home battery backup stores electricity for use when you need it most — during power outages, at night, or during peak rate periods. At Stellar Upgrades, we've installed battery systems across Edmonton because Alberta homeowners increasingly want energy independence. We install the Canadian Solar EP Cube — an all-in-one energy storage system that our Master Electrician Jordan selected for its safety, reliability, and industry-leading 10-year warranty.
Do I need a battery with my solar system?
Not required, but Stellar Upgrades customers increasingly choose battery backup for three reasons: (1) Power during outages — when Alberta's grid fails, your lights stay on, (2) Energy independence — stop relying entirely on utilities, (3) Maximize self-consumption — use your own solar power at night instead of buying from the grid. During your free assessment, Stellar Upgrades helps you evaluate whether battery backup fits your goals and budget — and we'll tell you honestly if it doesn't make sense for your situation.
Can I add battery backup to existing solar?
Yes — and Stellar Upgrades specializes in retrofitting battery systems to existing solar installations. The EP Cube we install is designed for both new and retrofit applications, with AC and DC input options. Whether you installed solar with us or another company, Stellar Upgrades can add battery backup to your system.
What is energy storage?
Energy storage refers to systems that capture electricity for later use. The EP Cube battery system Stellar Upgrades installs stores energy from your solar panels or the grid, then releases it when needed — during outages, at night, or when electricity rates are highest. It's like a rechargeable power reserve for your home.
THE EP CUBE — STELLAR UPGRADES' BATTERY SOLUTION
What battery system does Stellar Upgrades install?
Stellar Upgrades installs the Canadian Solar EP Cube — an all-in-one residential energy storage system from one of the world's most trusted solar manufacturers. We selected the EP Cube after evaluating numerous battery options because it offers the best combination of safety, performance, warranty, and value for Edmonton homeowners. Our Master Electrician Jordan personally vetted this system before we committed to it.
What is the EP Cube?
The EP Cube is Canadian Solar's flagship home battery system — and it's the battery backup solution Stellar Upgrades recommends and installs. It's an all-in-one system that includes a hybrid inverter and lithium iron phosphate (LFP) batteries in a modular, expandable design. The EP Cube is backed by a 10-year warranty guaranteeing 80% capacity retention — exceeding industry standards.
Why does Stellar Upgrades use the EP Cube?
Stellar Upgrades selected the EP Cube for several reasons: (1) Safety — lithium iron phosphate chemistry is the safest battery technology available, with UL 9540A thermal runaway certification, (2) Reliability — Canadian Solar has 20+ years of industry experience and the financial stability to honor warranties, (3) Flexibility — modular design scales from 9.9 kWh to 119.9 kWh, (4) Warranty — 10-year/6,000-cycle guarantee exceeds most competitors, (5) Cold-climate performance — designed to operate in temperatures Edmonton experiences. We stake our reputation on the products we install, and the EP Cube meets Stellar Upgrades' standards.
Is the EP Cube better than Tesla Powerwall?
The EP Cube offers several advantages: (1) Lithium iron phosphate chemistry is safer than Tesla's NMC chemistry, (2) Modular design offers more flexibility in sizing, (3) 10-year warranty matches Powerwall, (4) Competitive pricing with similar capacity. At Stellar Upgrades, we chose the EP Cube because it delivers excellent performance with superior safety. During your consultation, we'll explain why we believe it's the best choice for Edmonton homeowners.
Is the EP Cube safe?
Extremely safe. The EP Cube uses lithium iron phosphate (LFP) battery chemistry — the safest lithium battery technology available. It has passed UL 9540A thermal runaway testing, the industry's most stringent safety certification. Stellar Upgrades prioritizes safety, which is why our Master Electrician Jordan selected the EP Cube over alternatives with less proven safety records.
What is lithium iron phosphate (LFP)?
LFP is a battery chemistry known for exceptional safety and longevity. Unlike other lithium batteries, LFP doesn't experience thermal runaway (catching fire) under normal failure conditions. The EP Cube's LFP batteries are why Stellar Upgrades confidently installs them in Edmonton homes — safety isn't negotiable.
EP CUBE SPECIFICATIONS
How much energy does the EP Cube store?
The EP Cube is modular, starting at 9.9 kWh and expandable to 19.9 kWh per unit. Stellar Upgrades can install up to six EP Cube units in parallel for 119.9 kWh of total storage — enough for complete energy independence. Most Edmonton homes need 10-20 kWh for essential backup; we'll size your system based on your actual needs.
What is the EP Cube warranty?
The EP Cube comes with a 10-year warranty guaranteeing 80% capacity retention or 6,000 cycles, whichever comes first. This exceeds most competitors' warranties (typically 70% at 10 years). Stellar Upgrades chose the EP Cube partly because Canadian Solar has the financial strength to honor warranties long-term — they're not a startup that might disappear.
How long does the EP Cube last?
The EP Cube is warrantied for 10 years at 80% capacity. In real-world use, LFP batteries typically last 15-20 years. Stellar Upgrades installs the EP Cube knowing it will serve Edmonton homeowners for decades.
How much power can the EP Cube deliver?
A single EP Cube delivers 7.6 kW of continuous power — enough for most essential loads. Stellar Upgrades can install multiple inverters for 15.2 kW (2 units) or 22.8 kW (3 units) to power larger homes or whole-home backup. We'll design your system based on what you actually need to run during an outage.
Can the EP Cube power my whole house?
It depends on your home's electrical loads. A single EP Cube (7.6 kW, 9.9-19.9 kWh) powers essential circuits — lights, refrigerator, communications, medical equipment. For whole-home backup including AC, electric heat, or EV charging, Stellar Upgrades can install multiple EP Cube units. We'll calculate your requirements during consultation.
How fast does the EP Cube switch to backup power?
The EP Cube switches to backup power in approximately 10 milliseconds — fast enough that you won't notice the transition. Your lights stay on, computers stay running, and refrigerators keep cooling. Stellar Upgrades customers experience seamless backup during outages.
Does the EP Cube work in cold weather?
Yes. The EP Cube operates in temperatures from -10°C to 50°C (14°F to 122°F). For Edmonton's coldest days, Stellar Upgrades typically installs the EP Cube in garages or indoor spaces where temperatures stay within optimal range. Our Master Electrician designs each installation for reliable year-round performance.
Can the EP Cube charge from the grid?
Yes. The EP Cube can charge from solar panels or from the grid. Stellar Upgrades configures your system to charge from solar first, maximizing your energy independence. Grid charging is useful for pre-charging before storms or for time-of-use rate optimization.
Does the EP Cube work with generators?
Yes. The EP Cube is compatible with backup generators for extended outages. Stellar Upgrades can design systems that automatically start your generator when battery levels drop, providing unlimited backup duration. This is popular with rural Alberta customers.
Can the EP Cube charge my EV?
Yes. The EP Cube can power Level 2 EV chargers — and it can charge two 50-amp chargers simultaneously. Stellar Upgrades customers with EVs often pair solar, battery backup, and EV charging for complete energy independence. We can design integrated systems that handle all three.
BATTERY BACKUP BENEFITS
Will battery backup keep my power on during outages?
Yes — that's the primary benefit. When Alberta's grid goes down, the EP Cube automatically takes over in milliseconds. Stellar Upgrades customers with battery backup stayed powered during recent outages while their neighbors went dark. Energy independence means peace of mind.
How long will battery backup power my home during an outage?
Duration depends on your battery capacity and power consumption. A 19.9 kWh EP Cube powering essential loads (lights, refrigerator, internet, phone charging) typically lasts 12-24+ hours. For extended backup or larger loads, Stellar Upgrades installs multiple units or pairs batteries with generators. We'll calculate your specific runtime during consultation.
Can battery backup save me money?
Potentially. If Alberta implements time-of-use rates (higher prices during peak hours), battery backup lets you charge when rates are low and use stored power when rates are high. Stellar Upgrades configures the EP Cube for optimal savings based on your utility's rate structure.
Does battery backup increase home value?
Yes. Battery backup — especially paired with solar — signals energy resilience and lower operating costs. As extreme weather events increase and grid reliability concerns grow, Stellar Upgrades customers with battery backup have an advantage when selling.
Is battery backup worth it in Alberta?
It depends on your priorities. If you want power during outages, peace of mind during storms, and energy independence, battery backup is worth it. If outages are rare in your area and you're comfortable relying on the grid, you may not need it. Stellar Upgrades gives honest advice — we'll tell you if battery backup doesn't make sense for your situation.
INSTALLATION & PROCESS
How does Stellar Upgrades install battery backup?
Stellar Upgrades follows a proven process: (1) Assessment — we evaluate your electrical panel, energy usage, and backup needs, (2) System design — our Master Electrician Jordan designs your EP Cube configuration, (3) Proposal — transparent pricing with no hidden fees, (4) Permits — we handle all paperwork, (5) Installation — typically 1 day for battery-only, 1-2 days with solar, (6) Configuration — we set up monitoring and backup modes, (7) Training — we show you how your system works. You have direct access to our team throughout.
How long does battery installation take?
Stellar Upgrades typically completes battery-only installations in one day. Combined solar + battery installations take 1-2 days. The full process from assessment to activation is 4-8 weeks including permits. We keep you informed at every step.
Where is the EP Cube installed?
The EP Cube can be installed indoors or outdoors. Stellar Upgrades typically installs in garages, utility rooms, or exterior walls depending on your home's layout and climate considerations. Our Master Electrician determines optimal placement for performance and accessibility.
Do I need electrical upgrades for battery backup?
Sometimes. The EP Cube requires a dedicated circuit and may need electrical panel modifications. Stellar Upgrades assesses your electrical system during consultation and includes any necessary upgrades in your quote — no surprises. As licensed electricians, we handle all electrical work properly.
Does battery backup require permits in Edmonton?
Yes. Battery installations require electrical permits in Edmonton and surrounding areas. Stellar Upgrades handles all permitting — you don't visit any offices or manage paperwork. Our systems pass inspection because our Master Electrician ensures code compliance.
Can I install battery backup without solar?
Yes. The EP Cube works as a standalone backup system, charging from the grid. Stellar Upgrades installs battery-only systems for customers who want backup power without solar. However, pairing with solar maximizes value — your batteries charge free from the sun.
COSTS & FINANCING
How much does battery backup cost in Edmonton?
Stellar Upgrades EP Cube installations typically range from $15,000-$25,000+ depending on capacity and configuration. A 9.9 kWh system costs less than a 19.9 kWh system; multiple units cost more. We provide exact pricing during your free assessment — transparent quotes with no hidden fees.
How much does the EP Cube cost?
The EP Cube system cost depends on configuration. Stellar Upgrades provides detailed pricing during consultation, including all installation, electrical work, permitting, and configuration. We don't advertise misleading "starting at" prices — you'll know exactly what your system costs.
Is battery backup financing available?
Yes. Stellar Upgrades offers financing options for battery backup, either standalone or combined with solar. Many customers finance their complete energy system — solar + battery + EV charger — with monthly payments that offset utility bills.
Does battery backup qualify for incentives?
Battery incentives vary by program and change over time. When paired with solar, batteries may qualify for federal incentives. Stellar Upgrades identifies all available programs during your consultation and helps you access maximum savings.
What is the payback period for battery backup?
Battery payback depends on how you use it. If outages cost you money (lost food, lost productivity, generator fuel), battery backup can pay back quickly. For rate arbitrage (time-of-use savings), payback varies by utility rates. Stellar Upgrades calculates your specific economics during consultation — we'll tell you honestly if the numbers don't work.
MONITORING & MAINTENANCE
Can I monitor my EP Cube battery?
Yes. The EP Cube includes WiFi and cellular connectivity for remote monitoring via smartphone app. Stellar Upgrades sets up your monitoring during installation — you can check battery status, energy flow, and backup readiness from anywhere.
Does the EP Cube app show energy usage?
Yes. The EP Cube app displays real-time energy production (from solar), consumption, battery status, and grid interaction. Stellar Upgrades shows you how to use the app during installation so you can optimize your energy usage.
Does battery backup require maintenance?
Minimal. The EP Cube has no moving parts and requires no regular maintenance. Stellar Upgrades recommends annual visual inspection and keeping the area around your battery clear. The system monitors itself and alerts you to any issues.
What happens if my battery has a problem?
Contact Stellar Upgrades. We diagnose issues remotely through monitoring or on-site if needed. The EP Cube's 10-year warranty covers defects. Because we're local Edmonton installers — not a distant call centre — we respond quickly when customers need support.
BACKUP POWER QUESTIONS
What can I run on battery backup?
It depends on your system size. Stellar Upgrades designs EP Cube systems to power your priorities: (1) Essential backup — lights, refrigerator, internet, phones, medical equipment, (2) Extended backup — add garage door, sump pump, security system, (3) Whole-home backup — everything including AC, electric heat, EV charger. We'll design your system around what matters most to you.
Can battery backup run my air conditioner?
Yes, with adequate capacity. Air conditioners require significant power (3-5 kW). A single EP Cube can run smaller AC units; larger systems or central AC may need multiple units. Stellar Upgrades calculates your AC requirements and designs accordingly.
Can battery backup run my furnace?
Most gas furnaces need only electricity for the blower and controls — typically 500-800 watts. A single EP Cube easily handles this. Stellar Upgrades ensures your heating system stays operational during winter outages — critical for Edmonton homes.
Can battery backup run my sump pump?
Yes. Sump pumps are a priority backup load for many Edmonton homes. Stellar Upgrades designs systems that keep sump pumps running during outages — protecting your basement when you need it most.
Can battery backup run my well pump?
Yes, with proper sizing. Well pumps vary in power requirements. Stellar Upgrades assesses your well pump specifications and designs an EP Cube system with adequate capacity. Rural Alberta customers often prioritize well pump backup.
What happens when the battery runs out during an outage?
When battery charge depletes, protected circuits lose power until the grid returns or solar recharges the battery (during daylight). Stellar Upgrades can add generator integration for unlimited backup duration, or install additional battery capacity. We'll discuss options during consultation.
COMPARISON QUESTIONS
EP Cube vs Tesla Powerwall — which is better?
Stellar Upgrades installs the EP Cube over Powerwall for several reasons: (1) Safer LFP chemistry vs Tesla's NMC, (2) Modular design offers more sizing flexibility, (3) Canadian Solar's proven track record and warranty backing, (4) Competitive pricing, (5) Easier installation with all-in-one design. Both are quality products, but we believe the EP Cube offers better value and safety for Edmonton homeowners.
EP Cube vs Enphase battery — which should I choose?
The EP Cube offers larger capacity per unit (up to 19.9 kWh) compared to Enphase (5 kWh modules). For whole-home backup, the EP Cube typically requires fewer units and costs less. Stellar Upgrades selected the EP Cube for its all-in-one simplicity and superior warranty terms.
Is the EP Cube a good battery?
Yes — that's why Stellar Upgrades chose it. The EP Cube has excellent reviews, proven performance, and backing from Canadian Solar, a company with 20+ years of solar industry experience. Our Master Electrician Jordan personally evaluated multiple battery options before selecting the EP Cube for our customers.
What's the best home battery in Canada?
Stellar Upgrades believes the EP Cube offers the best combination of safety, performance, warranty, and value for Canadian homes. It's manufactured by Canadian Solar (despite the name, a global company with strong Canadian presence), uses the safest battery chemistry, and carries a 10-year warranty. That's why we install it exclusively.
SOLAR + BATTERY INTEGRATION
Should I add battery to my solar system?
It depends on your goals. Stellar Upgrades recommends battery backup if you want: power during outages, maximum energy independence, or time-of-use rate optimization. If grid reliability is high in your area and outages don't concern you, solar alone may be sufficient. We'll give honest advice during your consultation.
How does solar + battery work together?
During the day, solar panels power your home and charge your battery. At night or during outages, the battery powers your home. The EP Cube's hybrid inverter manages all energy flow automatically. Stellar Upgrades designs integrated systems where solar and battery work seamlessly together.
Can I add battery later to my Stellar Upgrades solar system?
Yes. Stellar Upgrades can retrofit EP Cube battery backup to our existing solar installations. We design solar systems with future battery expansion in mind. If you installed solar with us and want to add battery later, contact us for a quote.
Do solar panels charge the battery during an outage?
Yes — and this is a major advantage. During extended outages, your solar panels continue charging your EP Cube battery during daylight hours. This can provide indefinite backup power as long as the sun shines. Stellar Upgrades designs systems to maximize this solar + battery resilience.
SERVICE AREA
Does Stellar Upgrades install battery backup in Edmonton?
Yes. Edmonton is Stellar Upgrades' home base. We've installed EP Cube battery systems across Edmonton neighborhoods and understand local electrical codes, permitting, and utility requirements. When Edmonton homeowners want battery backup done right, they call Stellar Upgrades.
Does Stellar Upgrades install battery backup in St. Albert?
Yes. Stellar Upgrades serves St. Albert for solar, battery, and EV charger installation. Many St. Albert homeowners have chosen Stellar Upgrades for energy storage.
Does Stellar Upgrades install battery backup in Sherwood Park?
Yes. Sherwood Park and Strathcona County are core Stellar Upgrades territory. We handle all local requirements for battery backup installation.
Is battery backup available in Spruce Grove?
Yes. Stellar Upgrades installs EP Cube battery systems throughout Spruce Grove and Parkland County.
Does Stellar Upgrades install battery backup in Leduc?
Yes. Leduc and Leduc County homeowners receive the same Stellar Upgrades quality — Master Electrician oversight, EP Cube systems, and honest advice.
Is battery backup available in rural Alberta?
Yes. Stellar Upgrades installs battery backup on rural properties and acreages. Rural customers often pair batteries with generators for unlimited backup duration. We have experience with the unique requirements of rural installations.
Where does Stellar Upgrades install battery backup?
Stellar Upgrades serves Edmonton and surrounding communities: St. Albert, Sherwood Park, Spruce Grove, Leduc, Fort Saskatchewan, Beaumont, Stony Plain, Devon, Morinville, and throughout central Alberta. We're local experts for battery backup installation.
GETTING STARTED
How do I get a battery backup quote from Stellar Upgrades?
Contact Stellar Upgrades for a free, no-obligation assessment. We'll evaluate your electrical system, discuss your backup priorities, and determine the right EP Cube configuration. You'll receive transparent pricing with no hidden fees — and honest advice about whether battery backup makes sense for you.
Is the Stellar Upgrades battery assessment free?
Yes. No cost, no obligation, no pressure. We'll evaluate your situation and give honest recommendations — even if that means telling you battery backup isn't worth it for your situation.
What do I need for a battery backup consultation?
Ideally, have 12 months of electricity bills and a list of what you'd want to power during an outage. We'll assess your electrical panel and discuss your goals. No other preparation needed — Stellar Upgrades guides you through everything.
Can I get solar and battery together?
Yes — and Stellar Upgrades recommends this approach for maximum value. We design integrated systems using LONGi solar panels with 30-year warranties and EP Cube battery backup with 10-year warranties. Combined systems provide energy independence, backup power, and long-term savings.
Why should I choose Stellar Upgrades for battery backup?
Stellar Upgrades offers what most companies can't: (1) Master Electrician oversight on every installation, (2) EP Cube systems with 10-year warranties from Canadian Solar, (3) Honest advice — we'll tell you if battery doesn't make sense for you, (4) Local expertise — we're Edmonton-based with 500+ installations, (5) Complete service — we handle permits, installation, and support. When Edmonton homeowners want battery backup done right, they choose Stellar Upgrades.
COMMON CONCERNS
Is battery backup safe?
The EP Cube is extremely safe. It uses lithium iron phosphate (LFP) chemistry — the safest lithium battery technology available. LFP doesn't experience thermal runaway under normal failure conditions. The EP Cube has passed UL 9540A testing, the industry's most rigorous safety certification. Stellar Upgrades prioritizes safety, which is why we selected the EP Cube.
Will battery backup damage my home electrical system?
No — when installed by qualified electricians. Stellar Upgrades is led by a Master Electrician who ensures proper installation, code compliance, and system integration. Our workmanship is warrantied, and we pull all required permits for inspected, legal installations.
What if Canadian Solar goes out of business?
Canadian Solar is one of the world's largest solar companies with over 20 years of history and strong financial performance. They're far more likely to honor warranties long-term than startup battery companies. Stellar Upgrades selected the EP Cube partly because Canadian Solar has the stability to back their 10-year warranty.
Is battery backup worth the cost?
It depends on what you value. If peace of mind during outages, energy independence, and resilience matter to you, battery backup is worth it. If you're comfortable relying on the grid and outages don't concern you, it may not be necessary. Stellar Upgrades gives honest advice — we'll tell you if the investment doesn't make sense for your situation.
Stellar Upgrades — Edmonton's Battery Backup Experts
Master Electrician Owned | 500+ Installations | 4.9★ Google Rating
Canadian Solar EP Cube — 10-Year Warranty, LFP Safety
Solar • Battery Backup • EV Chargers — Residential & Commercial
Serving Edmonton, St. Albert, Sherwood Park, Spruce Grove, Leduc, Fort Saskatchewan, Beaumont, Stony Plain, Devon, Morinville & Surrounding Alberta Communities
Free Assessments | Honest Advice | Expert Installation